Add a fuzz! version that doesn't hook panics (#154)
Add a fuzz! version that doesn't hook panics (#154)

If your fuzzing code catches panics somewhere inside its code the hook
would turn those into crashes. Allow disabling the hook by adding a
fuzz_nohook! macro.

Fixes #150
kmcallister/afl.rs,frewsxcv/afl.rs,kmcallister/afl.rs,kmcallister/afl.rs,kmcallister/afl.rs,kmcallister/afl.rs,frewsxcv/afl.rs,frewsxcv/afl.rs,frewsxcv/afl.rs,frewsxcv/afl.rs,frewsxcv/afl.rs,frewsxcv/afl.rs